package come.example.domain.strategy.model.entity;

/*
策略规则实体
 */

import come.example.types.common.Constants;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class StrategyRuleEntity {

    private Long strategyId;
    /*抽奖策略描述*/
    private Integer awardId;
    /*抽奖规则类型：1-策略规则 2-奖品规则*/
    private Integer ruleType;
    /*抽奖规则类型 rule_random:随机值计算, rule_lock：抽奖几次后解锁，rule_luck_award：幸运奖（兜底奖品）*/
    private String ruleModel;
    /*抽奖规则比值*/
    private String ruleValue;
    /*抽奖规则描述*/
    private String ruleDesc;

    /*
    获取权重值
    案例：4000:102,103,104,105 5000:102,103,104,105,106,107 6000:102,103,104,105,106,107,108,109
     */

    public Map<String, List<Integer>> getRuleWeightValues(){
        if(!"rule_weight".equals(ruleModel)) return null;
        // 拆成4000:102,103,104,105和5000:102,103,104,105,106,107和6000:102,103,104,105,106,107,108,109
        String[] ruleValueGroups = ruleValue.split(Constants.SPACE);
        Map<String, List<Integer>> resultMap = new HashMap<>();
        for(String ruleValueGroup : ruleValueGroups){
            //检查输入是否为空
            if(ruleValueGroup == null || ruleValueGroup.isEmpty()){
                return resultMap;
            }

            //分割字符串以获取键和值
            String[] parts = ruleValueGroup.split(Constants.COLON);
            if(parts.length != 2){
                throw new IllegalArgumentException("rule_weight rule_rule invalid input format" + ruleValueGroup);
            }
            //解析值 拆102,103,104,105
            String[] valueStrings = parts[1].split(Constants.SPLIT);
            // 拆成Integer
            List<Integer> values = new ArrayList<>();
            for(String valueString : valueStrings){
                values.add(Integer.parseInt(valueString));
            }
            // 将键和值放入Map中
            // key: 4000:102,103,104,105 / 5000:102,103,104,105,106,107 / 6000:102,103,104,105,106,107,108,109
            // value: 拆成Integer的awardId
            // 表示符合key值的ID
            resultMap.put(ruleValueGroup, values);
        }
        return resultMap;
    }

}
